return {
    data = {
        ["9001"] = {ItemId = "5002", RewardId = "9001", Num = 100},
        ["9002"] = {ItemId = "5003", RewardId = "9002", Num = 200}
    },
    extra = {
        processor = "exporter_reward",
        export_type = "client",
        total_count = 2
    }
}